Christina Aguilera Sings To Unsuspecting People Waiting For Donuts

Jimmy Kimmel enlisted Christina Aguilera for a first-time new bit called “Undercover Sing”.  She sang about customers waiting in line at a donut shop while they tried to figure out where’s it’s coming from.

She just announced a Las Vegas residency on The Ellen Degeneres Show this week…The Christina Aguilera Xperience starts up in May at Planet Hollywood!